diff --git a/pkgs/development/python-modules/langgraph/default.nix b/pkgs/development/python-modules/langgraph/default.nix
index 42ca6a2feedb..01200d17308b 100644
--- a/pkgs/development/python-modules/langgraph/default.nix
+++ b/pkgs/development/python-modules/langgraph/default.nix
@@ -41,14 +41,14 @@
 }:
 buildPythonPackage (finalAttrs: {
   pname = "langgraph";
-  version = "1.1.4";
+  version = "1.1.6";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "langchain-ai";
     repo = "langgraph";
     tag = finalAttrs.version;
-    hash = "sha256-7wFomrg5w4KTEprx9b93zQaeAbD5s1TPo97WZ/2R0S4=";
+    hash = "sha256-9YuvzPmyNOfx8AolUaY8XFeYUpWRmudtLEAUadRUAqY=";
   };
 
   postgresqlTestSetupPost = ''